The bond formed between two elements with electron configurations 1s2 2s2 2p6 3s2 and 1s2 2s2 2p4 is

The radioactive emission with the least ionization power is

An organic compound contains 60% carbon, 13.3% hydrogen and 26.7% oxygen. Calculate the empirical formula rn(C=12,H =1, O=16)

How many unpaired electron are in the p-orbitals of a fluorine atom?

2SO2(g) + O2(g) ? ? 2SO3(g) ?H=?395.7kJmol?1 ? H = ? 395.7 k J m o l ? 1 In the reaction above, the concentration of 2SO3(g) can be in creased by

Zn(s) + CuSO4(aq) → → ZnSO4(aq) + Cu(s) In the reaction above, the oxidizing agent is

2- methylbutan- 2ol is an example of a

The reaction between ammonia and ethyl ethanoate produces

In the graph above, the activation energy of the catalyzed reaction is